Previously, RX interface for PPPoE packets was set as the original interface.
Now it is set as corresponding PPPoE interface in the "pppoe-input" node.
We need to do it because otherwise IP or other settings won't be working onto the PPPoE interface (only on original rx interface).
Type: fix
Signed-off-by: Stanislav Zaikin <zstaseg@gmail.com>
Change-Id: If9cc37608aa5fe685b8278dd99b819b7eddc6c38